tautology test in CPP

hi… This is very urgent.
I need a cpp code to verify that a given Boolean expression is a tautology/contradiction. Pls reply if anybody can help me out. This ia really very urgrnt

Can anybody please help me out with code by today??

have u tried it…if yes then pls provide ur code…if not then pls try and then ask…no1 here(or any other forum) is gonna spoon feed u codes…!!!

I have tried alot… N i am from biotech background I dnt have much programming experience… It is geting very difficult to write this code…

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